Positive psychology in a nutshell : the science of happiness 
Boniwell, Ilona. 
 -  Open University Press,  2012 
 - 218 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>978-0-335-24721-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Happiness.
<br/><br/><label>Dewey Class. No.: </label>150.198 B6421 2012